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* [Bug tree-optimization/103744] New: [12 Regression] ICE in operator[], at vec.h:889
@ 2021-12-16  8:22 asolokha at gmx dot com
  2021-12-16  9:16 ` [Bug tree-optimization/103744] " pinskia at gcc dot gnu.org
                   ` (8 more replies)
  0 siblings, 9 replies; 10+ messages in thread
From: asolokha at gmx dot com @ 2021-12-16  8:22 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103744

            Bug ID: 103744
           Summary: [12 Regression] ICE in operator[], at vec.h:889
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gcc 12.0.0 alpha20211212 snapshot (g:0b52083ea2c2dd9897031fdc3802a68fd4aa45ef)
ICEs when compiling the following testcase w/ -mcpu=a64fx -O2:

int r;

void
foo (short int *s, short int *d1, short int *d2, int z)
{
  int *a;

  while (z < 1)
    {
      int i;

      i = *s++ - (*d1++ + *d2++);
      r += a[i];
      i = *s++ - (*d1++ + *d2++);
      r += a[i];
      ++z;
    }
}

% aarch64-linux-gnu-gcc-12.0.0 -mcpu=a64fx -O2 -c utkqjrc1.c
during GIMPLE pass: vect
utkqjrc1.c: In function 'foo':
utkqjrc1.c:4:1: internal compiler error: in operator[], at vec.h:889
    4 | foo (short int *s, short int *d1, short int *d2, int z)
      | ^~~
0x7e1dee vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/vec.h:889
0x7e23c2 vec<gimple*, va_heap, vl_embed>::operator[](unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-slp.c:6485
0x7e23c2 vec<gimple*, va_heap, vl_ptr>::operator[](unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/vec.h:1495
0x7e23c2 vect_get_slp_vect_def(_slp_tree*, unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-slp.c:6482
0x11e0d12 vect_create_epilog_for_reduction
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-loop.c:5325
0x11e0d12 vectorizable_live_operation(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*, int, bool,
vec<stmt_info_for_cost, va_heap, vl_ptr>*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-loop.c:8639
0x1c75e67 can_vectorize_live_stmts
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-stmts.c:10899
0x1ca046a vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-stmts.c:11291
0x11fe90a vect_schedule_slp_node
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-slp.c:7270
0x1210e74 vect_schedule_scc
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-slp.c:7514
0x1211eef vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>
const&)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-slp.c:7579
0x11ea999 vect_transform_loop(_loop_vec_info*, gimple*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vect-loop.c:9625
0x121e6c7 vect_transform_loops
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vectorizer.c:1003
0x121e6c7 try_vectorize_loop_1
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vectorizer.c:1133
0x121e6c7 try_vectorize_loop
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vectorizer.c:1162
0x121ef74 execute
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_p20211212/work/gcc-12-20211212/gcc/tree-vectorizer.c:1278

^ permalink raw reply	[flat|nested] 10+ messages in thread
end of thread, other threads:[~2021-12-18  4:23 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-16  8:22 [Bug tree-optimization/103744] New: [12 Regression] ICE in operator[], at vec.h:889 asolokha at gmx dot com
2021-12-16  9:16 ` [Bug tree-optimization/103744] " pinskia at gcc dot gnu.org
2021-12-16 10:08 ` marxin at gcc dot gnu.org
2021-12-16 10:44 ` [Bug tree-optimization/103744] [12 Regression] ICE in operator[], at vec.h:889 since r12-5612-g10833849b55401a52f2334eb032a70beb688e9fc marxin at gcc dot gnu.org
2021-12-16 10:46 ` rsandifo at gcc dot gnu.org
2021-12-17  4:31 ` asolokha at gmx dot com
2021-12-17 14:18 ` rsandifo at gcc dot gnu.org
2021-12-17 14:18 ` cvs-commit at gcc dot gnu.org
2021-12-17 14:19 ` rsandifo at gcc dot gnu.org
2021-12-18  4:23 ` asolokha at gmx dot com

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